Home / 80,357.47-110,816.37-48,086.60

Finding the Fourth Proportional to 80,357.47, 110,816.37 and 48,086.60

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Solution

The fourth proportional to 80,357.47, 110,816.37 and 48,086.60 is: 66,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,357.47 : 110,816.37 = 48,086.60 : x
  2. Step 2: Convert to fraction form
    80,357.47/110,816.37 = 48,086.60/x
  3. Step 3: Cross multiply
    80,357.47x = 110,816.37 × 48,086.60
  4. Step 4: Simplify right side
    80,357.47x = 5,328,781,903.56
  5. Step 5: Solve for x
    x = 5,328,781,903.56/80,357.47
  6. Step 6: Final answer
    x = 66,313.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.